Granted Patent
Utility
US 6,832,473 · App. 10/301,455
Method and system for regenerating NOx adsorbers and/or particulate filters
Inventors:
Joachim Kupe, James Zizelman, Jean Botti
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Nov 21, 2002
Inventors
Joachim Kupe
James Zizelman
Jean Botti
Assignee (at issue)
Delphi Technologies
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.